I'm playing around a bit with the TSF indicator and think it's interesting.
If I understand correctly, the indicator uses the linear regression line or slope of the regression line from the past N periods and makes a forecast N periods into the future.
However, it's also possible to use a negative forecast period. This dramatically changes the indicators apperance, but I don't fully understand the calculation or logic behind that.
Can anyone please shed a light on this?
It seems like the line is displaced somehow, but I still don't fully understand it.
Thanks in advance to anyone who can help here.
Johnny
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